/*!
 * Cropper v3.1.3
 * https://github.com/fengyuanchen/cropper
 *
 * Copyright (c) 2014-2017 Chen Fengyuan
 * Released under the MIT license
 *
 * Date: 2017-10-21T10:04:29.734Z
 */

(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(require('jquery')) :
        typeof define === 'function' && define.amd ? define(['jquery'], factory) :
            (factory(global.jQuery));
}(this, (function ($) {
    'use strict';

    $ = $ && $.hasOwnProperty('default') ? $['default'] : $;

    var WINDOW = typeof window !== 'undefined' ? window : {};
    var NAMESPACE = 'cropper';

// Actions
    var ACTION_ALL = 'all';
    var ACTION_CROP = 'crop';
    var ACTION_MOVE = 'move';
    var ACTION_ZOOM = 'zoom';
    var ACTION_EAST = 'e';
    var ACTION_WEST = 'w';
    var ACTION_SOUTH = 's';
    var ACTION_NORTH = 'n';
    var ACTION_NORTH_EAST = 'ne';
    var ACTION_NORTH_WEST = 'nw';
    var ACTION_SOUTH_EAST = 'se';
    var ACTION_SOUTH_WEST = 'sw';

// Classes
    var CLASS_CROP = NAMESPACE + '-crop';
    var CLASS_DISABLED = NAMESPACE + '-disabled';
    var CLASS_HIDDEN = NAMESPACE + '-hidden';
    var CLASS_HIDE = NAMESPACE + '-hide';
    var CLASS_INVISIBLE = NAMESPACE + '-invisible';
    var CLASS_MODAL = NAMESPACE + '-modal';
    var CLASS_MOVE = NAMESPACE + '-move';

// Data keys
    var DATA_ACTION = 'action';
    var DATA_PREVIEW = 'preview';

// Drag modes
    var DRAG_MODE_CROP = 'crop';
    var DRAG_MODE_MOVE = 'move';
    var DRAG_MODE_NONE = 'none';

// Events
    var EVENT_CROP = 'crop';
    var EVENT_CROP_END = 'cropend';
    var EVENT_CROP_MOVE = 'cropmove';
    var EVENT_CROP_START = 'cropstart';
    var EVENT_DBLCLICK = 'dblclick';
    var EVENT_ERROR = 'error';
    var EVENT_LOAD = 'load';
    var EVENT_POINTER_DOWN = WINDOW.PointerEvent ? 'pointerdown' : 'touchstart mousedown';
    var EVENT_POINTER_MOVE = WINDOW.PointerEvent ? 'pointermove' : 'touchmove mousemove';
    var EVENT_POINTER_UP = WINDOW.PointerEvent ? ' pointerup pointercancel' : 'touchend touchcancel mouseup';
    var EVENT_READY = 'ready';
    var EVENT_RESIZE = 'resize';
    var EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll';
    var EVENT_ZOOM = 'zoom';

// RegExps
    var REGEXP_ACTIONS = /^(e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/;
    var REGEXP_DATA_URL = /^data:/;
    var REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/;
    var REGEXP_TAG_NAME = /^(img|canvas)$/i;

    var DEFAULTS = {
        // Define the view mode of the cropper
        viewMode: 0, // 0, 1, 2, 3

        // Define the dragging mode of the cropper
        dragMode: DRAG_MODE_CROP, // 'crop', 'move' or 'none'

        // Define the aspect ratio of the crop box
        aspectRatio: NaN,

        // An object with the previous cropping result data
        data: null,

        // A selector for adding extra containers to preview
        preview: '',

        // Re-render the cropper when resize the window
        responsive: true,

        // Restore the cropped area after resize the window
        restore: true,

        // Check if the current image is a cross-origin image
        checkCrossOrigin: true,

        // Check the current image's Exif Orientation information
        checkOrientation: true,

        // Show the black modal
        modal: true,

        // Show the dashed lines for guiding
        guides: true,

        // Show the center indicator for guiding
        center: true,

        // Show the white modal to highlight the crop box
        highlight: true,

        // Show the grid background
        background: true,

        // Enable to crop the image automatically when initialize
        autoCrop: true,

        // Define the percentage of automatic cropping area when initializes
        autoCropArea: 0.8,

        // Enable to move the image
        movable: true,

        // Enable to rotate the image
        rotatable: true,

        // Enable to scale the image
        scalable: true,

        // Enable to zoom the image
        zoomable: true,

        // Enable to zoom the image by dragging touch
        zoomOnTouch: true,

        // Enable to zoom the image by wheeling mouse
        zoomOnWheel: true,

        // Define zoom ratio when zoom the image by wheeling mouse
        wheelZoomRatio: 0.1,

        // Enable to move the crop box
        cropBoxMovable: true,

        // Enable to resize the crop box
        cropBoxResizable: true,

        // Toggle drag mode between "crop" and "move" when click twice on the cropper
        toggleDragModeOnDblclick: true,

        // Size limitation
        minCanvasWidth: 0,
        minCanvasHeight: 0,
        minCropBoxWidth: 0,
        minCropBoxHeight: 0,
        minContainerWidth: 200,
        minContainerHeight: 100,

        // Shortcuts of events
        ready: null,
        cropstart: null,
        cropmove: null,
        cropend: null,
        crop: null,
        zoom: null
    };

    var TEMPLATE = '<div class="cropper-container">' + '<div class="cropper-wrap-box">' + '<div class="cropper-canvas"></div>' + '</div>' + '<div class="cropper-drag-box"></div>' + '<div class="cropper-crop-box">' + '<span class="cropper-view-box"></span>' + '<span class="cropper-dashed dashed-h"></span>' + '<span class="cropper-dashed dashed-v"></span>' + '<span class="cropper-center"></span>' + '<span class="cropper-face"></span>' + '<span class="cropper-line line-e" data-action="e"></span>' + '<span class="cropper-line line-n" data-action="n"></span>' + '<span class="cropper-line line-w" data-action="w"></span>' + '<span class="cropper-line line-s" data-action="s"></span>' + '<span class="cropper-point point-e" data-action="e"></span>' + '<span class="cropper-point point-n" data-action="n"></span>' + '<span class="cropper-point point-w" data-action="w"></span>' + '<span class="cropper-point point-s" data-action="s"></span>' + '<span class="cropper-point point-ne" data-action="ne"></span>' + '<span class="cropper-point point-nw" data-action="nw"></span>' + '<span class="cropper-point point-sw" data-action="sw"></span>' + '<span class="cropper-point point-se" data-action="se"></span>' + '</div>' + '</div>';

    function _toConsumableArray(arr) {
        if (Array.isArray(arr)) {
            for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) {
                arr2[i] = arr[i];
            }
            return arr2;
        } else {
            return Array.from(arr);
        }
    }

    /**
     * Check if the given value is a string.
     * @param {*} value - The value to check.
     * @returns {boolean} Returns `true` if the given value is a string, else `false`.
     */
    function isString(value) {
        return typeof value === 'string';
    }

    /**
     * Check if the given value is not a number.
     */
    var isNaN = Number.isNaN || WINDOW.isNaN;

    /**
     * Check if the given value is a number.
     * @param {*} value - The value to check.
     * @returns {boolean} Returns `true` if the given value is a number, else `false`.
     */
    function isNumber(value) {
        return typeof value === 'number' && !isNaN(value);
    }

    /**
     * Check if the given value is undefined.
     * @param {*} value - The value to check.
     * @returns {boolean} Returns `true` if the given value is undefined, else `false`.
     */
    function isUndefined(value) {
        return typeof value === 'undefined';
    }

    /**
     * Takes a function and returns a new one that will always have a particular context.
     * Custom proxy to avoid jQuery's guid.
     * @param {Function} fn - The target function.
     * @param {Object} context - The new context for the function.
     * @returns {Function} The new function.
     */
    function proxy(fn, context) {
        for (var _len = arguments.length, args = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
            args[_key - 2] = arguments[_key];
        }

        return function () {
            for (var _len2 = arguments.length, args2 = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
                args2[_key2] = arguments[_key2];
            }

            return fn.apply(context, args.concat(args2));
        };
    }

    /**
     * Get the own enumerable properties of a given object.
     * @param {Object} obj - The target object.
     * @returns {Array} All the own enumerable properties of the given object.
     */
    var objectKeys = Object.keys || function objectKeys(obj) {
        var keys = [];

        $.each(obj, function (key) {
            keys.push(key);
        });

        return keys;
    };

    var REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/i;

    /**
     * Normalize decimal number.
     * Check out {@link http://0.30000000000000004.com/ }
     * @param {number} value - The value to normalize.
     * @param {number} [times=100000000000] - The times for normalizing.
     * @returns {number} Returns the normalized number.
     */
    function normalizeDecimalNumber(value) {
        var times = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 100000000000;

        return REGEXP_DECIMALS.test(value) ? Math.round(value * times) / times : value;
    }

    var location = WINDOW.location;

    var REGEXP_ORIGINS = /^(https?:)\/\/([^:/?#]+):?(\d*)/i;

    /**
     * Check if the given URL is a cross origin URL.
     * @param {string} url - The target URL.
     * @returns {boolean} Returns `true` if the given URL is a cross origin URL, else `false`.
     */
    function isCrossOriginURL(url) {
        var parts = url.match(REGEXP_ORIGINS);

        return parts && (parts[1] !== location.protocol || parts[2] !== location.hostname || parts[3] !== location.port);
    }

    /**
     * Add timestamp to the given URL.
     * @param {string} url - The target URL.
     * @returns {string} The result URL.
     */
    function addTimestamp(url) {
        var timestamp = 'timestamp=' + new Date().getTime();

        return url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp;
    }

    /**
     * Get transform values base on the given object.
     * @param {Object} obj - The target object.
     * @returns {string} A string contains transform values.
     */
    function getTransformValues(_ref) {
        var rotate = _ref.rotate,
            scaleX = _ref.scaleX,
            scaleY = _ref.scaleY,
            translateX = _ref.translateX,
            translateY = _ref.translateY;

        var values = [];

        if (isNumber(translateX) && translateX !== 0) {
            values.push('translateX(' + translateX + 'px)');
        }

        if (isNumber(translateY) && translateY !== 0) {
            values.push('translateY(' + translateY + 'px)');
        }

        // Rotate should come first before scale to match orientation transform
        if (isNumber(rotate) && rotate !== 0) {
            values.push('rotate(' + rotate + 'deg)');
        }

        if (isNumber(scaleX) && scaleX !== 1) {
            values.push('scaleX(' + scaleX + ')');
        }

        if (isNumber(scaleY) && scaleY !== 1) {
            values.push('scaleY(' + scaleY + ')');
        }

        return values.length ? values.join(' ') : 'none';
    }

    var navigator = WINDOW.navigator;

    var IS_SAFARI_OR_UIWEBVIEW = navigator && /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i.test(navigator.userAgent);

    /**
     * Get an image's natural sizes.
     * @param {string} image - The target image.
     * @param {Function} callback - The callback function.
     */
    function getImageNaturalSizes(image, callback) {
        // Modern browsers (except Safari)
        if (image.naturalWidth && !IS_SAFARI_OR_UIWEBVIEW) {
            callback(image.naturalWidth, image.naturalHeight);
            return;
        }

        var newImage = document.createElement('img');

        newImage.onload = function () {
            callback(newImage.width, newImage.height);
        };

        newImage.src = image.src;
    }

    /**
     * Get the max ratio of a group of pointers.
     * @param {string} pointers - The target pointers.
     * @returns {number} The result ratio.
     */
    function getMaxZoomRatio(pointers) {
        var pointers2 = $.extend({}, pointers);
        var ratios = [];

        $.each(pointers, function (pointerId, pointer) {
            delete pointers2[pointerId];

            $.each(pointers2, function (pointerId2, pointer2) {
                var x1 = Math.abs(pointer.startX - pointer2.startX);
                var y1 = Math.abs(pointer.startY - pointer2.startY);
                var x2 = Math.abs(pointer.endX - pointer2.endX);
                var y2 = Math.abs(pointer.endY - pointer2.endY);
                var z1 = Math.sqrt(x1 * x1 + y1 * y1);
                var z2 = Math.sqrt(x2 * x2 + y2 * y2);
                var ratio = (z2 - z1) / z1;

                ratios.push(ratio);
            });
        });

        ratios.sort(function (a, b) {
            return Math.abs(a) < Math.abs(b);
        });

        return ratios[0];
    }

    /**
     * Get a pointer from an event object.
     * @param {Object} event - The target event object.
     * @param {boolean} endOnly - Indicates if only returns the end point coordinate or not.
     * @returns {Object} The result pointer contains start and/or end point coordinates.
     */
    function getPointer(_ref2, endOnly) {
        var pageX = _ref2.pageX,
            pageY = _ref2.pageY;

        var end = {
            endX: pageX,
            endY: pageY
        };

        if (endOnly) {
            return end;
        }

        return $.extend({
            startX: pageX,
            startY: pageY
        }, end);
    }

    /**
     * Get the center point coordinate of a group of pointers.
     * @param {Object} pointers - The target pointers.
     * @returns {Object} The center point coordinate.
     */
    function getPointersCenter(pointers) {
        var pageX = 0;
        var pageY = 0;
        var count = 0;

        $.each(pointers, function (pointerId, _ref3) {
            var startX = _ref3.startX,
                startY = _ref3.startY;

            pageX += startX;
            pageY += startY;
            count += 1;
        });

        pageX /= count;
        pageY /= count;

        return {
            pageX: pageX,
            pageY: pageY
        };
    }

    /**
     * Check if the given value is a finite number.
     */
    var isFinite = Number.isFinite || WINDOW.isFinite;

    /**
     * Get the max sizes in a rectangle under the given aspect ratio.
     * @param {Object} data - The original sizes.
     * @returns {Object} The result sizes.
     */
    function getContainSizes(_ref4) {
        var aspectRatio = _ref4.aspectRatio,
            height = _ref4.height,
            width = _ref4.width;

        var isValidNumber = function isValidNumber(value) {
            return isFinite(value) && value > 0;
        };

        if (isValidNumber(width) && isValidNumber(height)) {
            if (height * aspectRatio > width) {
                height = width / aspectRatio;
            } else {
                width = height * aspectRatio;
            }
        } else if (isValidNumber(width)) {
            height = width / aspectRatio;
        } else if (isValidNumber(height)) {
            width = height * aspectRatio;
        }

        return {
            width: width,
            height: height
        };
    }

    /**
     * Get the new sizes of a rectangle after rotated.
     * @param {Object} data - The original sizes.
     * @returns {Object} The result sizes.
     */
    function getRotatedSizes(_ref5) {
        var width = _ref5.width,
            height = _ref5.height,
            degree = _ref5.degree;

        degree = Math.abs(degree);

        if (degree % 180 === 90) {
            return {
                width: height,
                height: width
            };
        }

        var arc = degree % 90 * Math.PI / 180;
        var sinArc = Math.sin(arc);
        var cosArc = Math.cos(arc);

        return {
            width: width * cosArc + height * sinArc,
            height: width * sinArc + height * cosArc
        };
    }

    /**
     * Get a canvas which drew the given image.
     * @param {HTMLImageElement} image - The image for drawing.
     * @param {Object} imageData - The image data.
     * @param {Object} canvasData - The canvas data.
     * @param {Object} options - The options.
     * @returns {HTMLCanvasElement} The result canvas.
     */
    function getSourceCanvas(image, _ref6, _ref7, _ref8) {
        var imageNaturalWidth = _ref6.naturalWidth,
            imageNaturalHeight = _ref6.naturalHeight,
            _ref6$rotate = _ref6.rotate,
            rotate = _ref6$rotate === undefined ? 0 : _ref6$rotate,
            _ref6$scaleX = _ref6.scaleX,
            scaleX = _ref6$scaleX === undefined ? 1 : _ref6$scaleX,
            _ref6$scaleY = _ref6.scaleY,
            scaleY = _ref6$scaleY === undefined ? 1 : _ref6$scaleY;
        var aspectRatio = _ref7.aspectRatio,
            naturalWidth = _ref7.naturalWidth,
            naturalHeight = _ref7.naturalHeight;
        var _ref8$fillColor = _ref8.fillColor,
            fillColor = _ref8$fillColor === undefined ? 'transparent' : _ref8$fillColor,
            _ref8$imageSmoothingE = _ref8.imageSmoothingEnabled,
            imageSmoothingEnabled = _ref8$imageSmoothingE === undefined ? true : _ref8$imageSmoothingE,
            _ref8$imageSmoothingQ = _ref8.imageSmoothingQuality,
            imageSmoothingQuality = _ref8$imageSmoothingQ === undefined ? 'low' : _ref8$imageSmoothingQ,
            _ref8$maxWidth = _ref8.maxWidth,
            maxWidth = _ref8$maxWidth === undefined ? Infinity : _ref8$maxWidth,
            _ref8$maxHeight = _ref8.maxHeight,
            maxHeight = _ref8$maxHeight === undefined ? Infinity : _ref8$maxHeight,
            _ref8$minWidth = _ref8.minWidth,
            minWidth = _ref8$minWidth === undefined ? 0 : _ref8$minWidth,
            _ref8$minHeight = _ref8.minHeight,
            minHeight = _ref8$minHeight === undefined ? 0 : _ref8$minHeight;

        var maxSizes = getContainSizes({
            aspectRatio: aspectRatio,
            width: maxWidth,
            height: maxHeight
        });
        var minSizes = getContainSizes({
            aspectRatio: aspectRatio,
            width: minWidth,
            height: minHeight
        });
        var width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth));
        var height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight));
        var canvas = document.createElement('canvas');
        var context = canvas.getContext('2d');
        var params = [-imageNaturalWidth / 2, -imageNaturalHeight / 2, imageNaturalWidth, imageNaturalHeight];

        canvas.width = normalizeDecimalNumber(width);
        canvas.height = normalizeDecimalNumber(height);
        context.fillStyle = fillColor;
        context.fillRect(0, 0, width, height);
        context.save();
        context.translate(width / 2, height / 2);
        context.rotate(rotate * Math.PI / 180);
        context.scale(scaleX, scaleY);
        context.imageSmoothingEnabled = !!imageSmoothingEnabled;
        context.imageSmoothingQuality = imageSmoothingQuality;
        context.drawImage.apply(context, [image].concat(_toConsumableArray($.map(params, function (param) {
            return Math.floor(normalizeDecimalNumber(param));
        }))));
        context.restore();
        return canvas;
    }

    var fromCharCode = String.fromCharCode;

    /**
     * Get string from char code in data view.
     * @param {DataView} dataView - The data view for read.
     * @param {number} start - The start index.
     * @param {number} length - The read length.
     * @returns {string} The read result.
     */

    function getStringFromCharCode(dataView, start, length) {
        var str = '';
        var i = void 0;

        length += start;

        for (i = start; i < length; i += 1) {
            str += fromCharCode(dataView.getUint8(i));
        }

        return str;
    }

    var REGEXP_DATA_URL_HEAD = /^data:.*,/;

    /**
     * Transform Data URL to array buffer.
     * @param {string} dataURL - The Data URL to transform.
     * @returns {ArrayBuffer} The result array buffer.
     */
    function dataURLToArrayBuffer(dataURL) {
        var base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, '');
        var binary = atob(base64);
        var arrayBuffer = new ArrayBuffer(binary.length);
        var uint8 = new Uint8Array(arrayBuffer);

        $.each(uint8, function (i) {
            uint8[i] = binary.charCodeAt(i);
        });

        return arrayBuffer;
    }

    /**
     * Transform array buffer to Data URL.
     * @param {ArrayBuffer} arrayBuffer - The array buffer to transform.
     * @param {string} mimeType - The mime type of the Data URL.
     * @returns {string} The result Data URL.
     */
    function arrayBufferToDataURL(arrayBuffer, mimeType) {
        var uint8 = new Uint8Array(arrayBuffer);
        var data = '';

        // TypedArray.prototype.forEach is not supported in some browsers.
        $.each(uint8, function (i, value) {
            data += fromCharCode(value);
        });

        return 'data:' + mimeType + ';base64,' + btoa(data);
    }

    /**
     * Get orientation value from given array buffer.
     * @param {ArrayBuffer} arrayBuffer - The array buffer to read.
     * @returns {number} The read orientation value.
     */
    function getOrientation(arrayBuffer) {
        var dataView = new DataView(arrayBuffer);
        var orientation = void 0;
        var littleEndian = void 0;
        var app1Start = void 0;
        var ifdStart = void 0;

        // Only handle JPEG image (start by 0xFFD8)
        if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {
            var length = dataView.byteLength;
            var offset = 2;

            while (offset < length) {
                if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {
                    app1Start = offset;
                    break;
                }

                offset += 1;
            }
        }

        if (app1Start) {
            var exifIDCode = app1Start + 4;
            var tiffOffset = app1Start + 10;

            if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') {
                var endianness = dataView.getUint16(tiffOffset);

                littleEndian = endianness === 0x4949;

                if (littleEndian || endianness === 0x4D4D /* bigEndian */) {
                    if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) {
                        var firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian);

                        if (firstIFDOffset >= 0x00000008) {
                            ifdStart = tiffOffset + firstIFDOffset;
                        }
                    }
                }
            }
        }

        if (ifdStart) {
            var _length = dataView.getUint16(ifdStart, littleEndian);
            var _offset = void 0;
            var i = void 0;

            for (i = 0; i < _length; i += 1) {
                _offset = ifdStart + i * 12 + 2;

                if (dataView.getUint16(_offset, littleEndian) === 0x0112 /* Orientation */) {
                    // 8 is the offset of the current tag's value
                    _offset += 8;

                    // Get the original orientation value
                    orientation = dataView.getUint16(_offset, littleEndian);

                    // Override the orientation with its default value
                    dataView.setUint16(_offset, 1, littleEndian);
                    break;
                }
            }
        }

        return orientation;
    }

    /**
     * Parse Exif Orientation value.
     * @param {number} orientation - The orientation to parse.
     * @returns {Object} The parsed result.
     */
    function parseOrientation(orientation) {
        var rotate = 0;
        var scaleX = 1;
        var scaleY = 1;

        switch (orientation) {
            // Flip horizontal
            case 2:
                scaleX = -1;
                break;

            // Rotate left 180°
            case 3:
                rotate = -180;
                break;

            // Flip vertical
            case 4:
                scaleY = -1;
                break;

            // Flip vertical and rotate right 90°
            case 5:
                rotate = 90;
                scaleY = -1;
                break;

            // Rotate right 90°
            case 6:
                rotate = 90;
                break;

            // Flip horizontal and rotate right 90°
            case 7:
                rotate = 90;
                scaleX = -1;
                break;

            // Rotate left 90°
            case 8:
                rotate = -90;
                break;

            default:
        }

        return {
            rotate: rotate,
            scaleX: scaleX,
            scaleY: scaleY
        };
    }

    var render = {
        render: function render() {
            this.initContainer();
            this.initCanvas();
            this.initCropBox();
            this.renderCanvas();

            if (this.cropped) {
                this.renderCropBox();
            }
        },
        initContainer: function initContainer() {
            var $element = this.$element,
                options = this.options,
                $container = this.$container,
                $cropper = this.$cropper;


            $cropper.addClass(CLASS_HIDDEN);
            $element.removeClass(CLASS_HIDDEN);

            $cropper.css(this.container = {
                width: Math.max($container.width(), Number(options.minContainerWidth) || 200),
                height: Math.max($container.height(), Number(options.minContainerHeight) || 100)
            });

            $element.addClass(CLASS_HIDDEN);
            $cropper.removeClass(CLASS_HIDDEN);
        },


        // Canvas (image wrapper)
        initCanvas: function initCanvas() {
            var container = this.container,
                image = this.image;
            var viewMode = this.options.viewMode;

            var rotated = Math.abs(image.rotate) % 180 === 90;
            var naturalWidth = rotated ? image.naturalHeight : image.naturalWidth;
            var naturalHeight = rotated ? image.naturalWidth : image.naturalHeight;
            var aspectRatio = naturalWidth / naturalHeight;
            var canvasWidth = container.width;
            var canvasHeight = container.height;

            if (container.height * aspectRatio > container.width) {
                if (viewMode === 3) {
                    canvasWidth = container.height * aspectRatio;
                } else {
                    canvasHeight = container.width / aspectRatio;
                }
            } else if (viewMode === 3) {
                canvasHeight = container.width / aspectRatio;
            } else {
                canvasWidth = container.height * aspectRatio;
            }

            var canvas = {
                aspectRatio: aspectRatio,
                naturalWidth: naturalWidth,
                naturalHeight: naturalHeight,
                width: canvasWidth,
                height: canvasHeight
            };

            canvas.left = (container.width - canvasWidth) / 2;
            canvas.top = (container.height - canvasHeight) / 2;
            canvas.oldLeft = canvas.left;
            canvas.oldTop = canvas.top;

            this.canvas = canvas;
            this.limited = viewMode === 1 || viewMode === 2;
            this.limitCanvas(true, true);
            this.initialImage = $.extend({}, image);
            this.initialCanvas = $.extend({}, canvas);
        },
        limitCanvas: function limitCanvas(isSizeLimited, isPositionLimited) {
            var options = this.options,
                container = this.container,
                canvas = this.canvas,
                cropBox = this.cropBox;
            var viewMode = options.viewMode;
            var aspectRatio = canvas.aspectRatio;

            var cropped = this.cropped && cropBox;

            if (isSizeLimited) {
                var minCanvasWidth = Number(options.minCanvasWidth) || 0;
                var minCanvasHeight = Number(options.minCanvasHeight) || 0;

                if (viewMode > 0) {
                    if (viewMode > 1) {
                        minCanvasWidth = Math.max(minCanvasWidth, container.width);
                        minCanvasHeight = Math.max(minCanvasHeight, container.height);

                        if (viewMode === 3) {
                            if (minCanvasHeight * aspectRatio > minCanvasWidth) {
                                minCanvasWidth = minCanvasHeight * aspectRatio;
                            } else {
                                minCanvasHeight = minCanvasWidth / aspectRatio;
                            }
                        }
                    } else if (minCanvasWidth) {
                        minCanvasWidth = Math.max(minCanvasWidth, cropped ? cropBox.width : 0);
                    } else if (minCanvasHeight) {
                        minCanvasHeight = Math.max(minCanvasHeight, cropped ? cropBox.height : 0);
                    } else if (cropped) {
                        minCanvasWidth = cropBox.width;
                        minCanvasHeight = cropBox.height;

                        if (minCanvasHeight * aspectRatio > minCanvasWidth) {
                            minCanvasWidth = minCanvasHeight * aspectRatio;
                        } else {
                            minCanvasHeight = minCanvasWidth / aspectRatio;
                        }
                    }
                }

                var _getContainSizes = getContainSizes({
                    aspectRatio: aspectRatio,
                    width: minCanvasWidth,
                    height: minCanvasHeight
                });

                minCanvasWidth = _getContainSizes.width;
                minCanvasHeight = _getContainSizes.height;


                canvas.minWidth = minCanvasWidth;
                canvas.minHeight = minCanvasHeight;
                canvas.maxWidth = Infinity;
                canvas.maxHeight = Infinity;
            }

            if (isPositionLimited) {
                if (viewMode > 0) {
                    var newCanvasLeft = container.width - canvas.width;
                    var newCanvasTop = container.height - canvas.height;

                    canvas.minLeft = Math.min(0, newCanvasLeft);
                    canvas.minTop = Math.min(0, newCanvasTop);
                    canvas.maxLeft = Math.max(0, newCanvasLeft);
                    canvas.maxTop = Math.max(0, newCanvasTop);

                    if (cropped && this.limited) {
                        canvas.minLeft = Math.min(cropBox.left, cropBox.left + cropBox.width - canvas.width);
                        canvas.minTop = Math.min(cropBox.top, cropBox.top + cropBox.height - canvas.height);
                        canvas.maxLeft = cropBox.left;
                        canvas.maxTop = cropBox.top;

                        if (viewMode === 2) {
                            if (canvas.width >= container.width) {
                                canvas.minLeft = Math.min(0, newCanvasLeft);
                                canvas.maxLeft = Math.max(0, newCanvasLeft);
                            }

                            if (canvas.height >= container.height) {
                                canvas.minTop = Math.min(0, newCanvasTop);
                                canvas.maxTop = Math.max(0, newCanvasTop);
                            }
                        }
                    }
                } else {
                    canvas.minLeft = -canvas.width;
                    canvas.minTop = -canvas.height;
                    canvas.maxLeft = container.width;
                    canvas.maxTop = container.height;
                }
            }
        },
        renderCanvas: function renderCanvas(changed, transformed) {
            var canvas = this.canvas,
                image = this.image;


            if (transformed) {
                var _getRotatedSizes = getRotatedSizes({
                        width: image.naturalWidth * Math.abs(image.scaleX || 1),
                        height: image.naturalHeight * Math.abs(image.scaleY || 1),
                        degree: image.rotate || 0
                    }),
                    naturalWidth = _getRotatedSizes.width,
                    naturalHeight = _getRotatedSizes.height;

                var width = canvas.width * (naturalWidth / canvas.naturalWidth);
                var height = canvas.height * (naturalHeight / canvas.naturalHeight);

                canvas.left -= (width - canvas.width) / 2;
                canvas.top -= (height - canvas.height) / 2;
                canvas.width = width;
                canvas.height = height;
                canvas.aspectRatio = naturalWidth / naturalHeight;
                canvas.naturalWidth = naturalWidth;
                canvas.naturalHeight = naturalHeight;
                this.limitCanvas(true, false);
            }

            if (canvas.width > canvas.maxWidth || canvas.width < canvas.minWidth) {
                canvas.left = canvas.oldLeft;
            }

            if (canvas.height > canvas.maxHeight || canvas.height < canvas.minHeight) {
                canvas.top = canvas.oldTop;
            }

            canvas.width = Math.min(Math.max(canvas.width, canvas.minWidth), canvas.maxWidth);
            canvas.height = Math.min(Math.max(canvas.height, canvas.minHeight), canvas.maxHeight);

            this.limitCanvas(false, true);

            canvas.left = Math.min(Math.max(canvas.left, canvas.minLeft), canvas.maxLeft);
            canvas.top = Math.min(Math.max(canvas.top, canvas.minTop), canvas.maxTop);
            canvas.oldLeft = canvas.left;
            canvas.oldTop = canvas.top;

            this.$canvas.css({
                width: canvas.width,
                height: canvas.height,
                transform: getTransformValues({
                    translateX: canvas.left,
                    translateY: canvas.top
                })
            });

            this.renderImage(changed);

            if (this.cropped && this.limited) {
                this.limitCropBox(true, true);
            }
        },
        renderImage: function renderImage(changed) {
            var canvas = this.canvas,
                image = this.image;

            var width = image.naturalWidth * (canvas.width / canvas.naturalWidth);
            var height = image.naturalHeight * (canvas.height / canvas.naturalHeight);

            $.extend(image, {
                width: width,
                height: height,
                left: (canvas.width - width) / 2,
                top: (canvas.height - height) / 2
            });

            this.$clone.css({
                width: image.width,
                height: image.height,
                transform: getTransformValues($.extend({
                    translateX: image.left,
                    translateY: image.top
                }, image))
            });

            if (changed) {
                this.output();
            }
        },
        initCropBox: function initCropBox() {
            var options = this.options,
                canvas = this.canvas;
            var aspectRatio = options.aspectRatio;

            var autoCropArea = Number(options.autoCropArea) || 0.8;
            var cropBox = {
                width: canvas.width,
                height: canvas.height
            };

            if (aspectRatio) {
                if (canvas.height * aspectRatio > canvas.width) {
                    cropBox.height = cropBox.width / aspectRatio;
                } else {
                    cropBox.width = cropBox.height * aspectRatio;
                }
            }

            this.cropBox = cropBox;
            this.limitCropBox(true, true);

            // Initialize auto crop area
            cropBox.width = Math.min(Math.max(cropBox.width, cropBox.minWidth), cropBox.maxWidth);
            cropBox.height = Math.min(Math.max(cropBox.height, cropBox.minHeight), cropBox.maxHeight);

            // The width of auto crop area must large than "minWidth", and the height too. (#164)
            cropBox.width = Math.max(cropBox.minWidth, cropBox.width * autoCropArea);
            cropBox.height = Math.max(cropBox.minHeight, cropBox.height * autoCropArea);
            cropBox.left = canvas.left + (canvas.width - cropBox.width) / 2;
            cropBox.top = canvas.top + (canvas.height - cropBox.height) / 2;
            cropBox.oldLeft = cropBox.left;
            cropBox.oldTop = cropBox.top;

            this.initialCropBox = $.extend({}, cropBox);
        },
        limitCropBox: function limitCropBox(isSizeLimited, isPositionLimited) {
            var options = this.options,
                container = this.container,
                canvas = this.canvas,
                cropBox = this.cropBox,
                limited = this.limited;
            var aspectRatio = options.aspectRatio;


            if (isSizeLimited) {
                var minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
                var minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
                var maxCropBoxWidth = Math.min(container.width, limited ? canvas.width : container.width);
                var maxCropBoxHeight = Math.min(container.height, limited ? canvas.height : container.height);

                // The min/maxCropBoxWidth/Height must be less than container's width/Height
                minCropBoxWidth = Math.min(minCropBoxWidth, container.width);
                minCropBoxHeight = Math.min(minCropBoxHeight, container.height);

                if (aspectRatio) {
                    if (minCropBoxWidth && minCropBoxHeight) {
                        if (minCropBoxHeight * aspectRatio > minCropBoxWidth) {
                            minCropBoxHeight = minCropBoxWidth / aspectRatio;
                        } else {
                            minCropBoxWidth = minCropBoxHeight * aspectRatio;
                        }
                    } else if (minCropBoxWidth) {
                        minCropBoxHeight = minCropBoxWidth / aspectRatio;
                    } else if (minCropBoxHeight) {
                        minCropBoxWidth = minCropBoxHeight * aspectRatio;
                    }

                    if (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) {
                        maxCropBoxHeight = maxCropBoxWidth / aspectRatio;
                    } else {
                        maxCropBoxWidth = maxCropBoxHeight * aspectRatio;
                    }
                }

                // The minWidth/Height must be less than maxWidth/Height
                cropBox.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth);
                cropBox.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight);
                cropBox.maxWidth = maxCropBoxWidth;
                cropBox.maxHeight = maxCropBoxHeight;
            }

            if (isPositionLimited) {
                if (limited) {
                    cropBox.minLeft = Math.max(0, canvas.left);
                    cropBox.minTop = Math.max(0, canvas.top);
                    cropBox.maxLeft = Math.min(container.width, canvas.left + canvas.width) - cropBox.width;
                    cropBox.maxTop = Math.min(container.height, canvas.top + canvas.height) - cropBox.height;
                } else {
                    cropBox.minLeft = 0;
                    cropBox.minTop = 0;
                    cropBox.maxLeft = container.width - cropBox.width;
                    cropBox.maxTop = container.height - cropBox.height;
                }
            }
        },
        renderCropBox: function renderCropBox() {
            var options = this.options,
                container = this.container,
                cropBox = this.cropBox;


            if (cropBox.width > cropBox.maxWidth || cropBox.width < cropBox.minWidth) {
                cropBox.left = cropBox.oldLeft;
            }

            if (cropBox.height > cropBox.maxHeight || cropBox.height < cropBox.minHeight) {
                cropBox.top = cropBox.oldTop;
            }

            cropBox.width = Math.min(Math.max(cropBox.width, cropBox.minWidth), cropBox.maxWidth);
            cropBox.height = Math.min(Math.max(cropBox.height, cropBox.minHeight), cropBox.maxHeight);

            this.limitCropBox(false, true);

            cropBox.left = Math.min(Math.max(cropBox.left, cropBox.minLeft), cropBox.maxLeft);
            cropBox.top = Math.min(Math.max(cropBox.top, cropBox.minTop), cropBox.maxTop);
            cropBox.oldLeft = cropBox.left;
            cropBox.oldTop = cropBox.top;

            if (options.movable && options.cropBoxMovable) {
                // Turn to move the canvas when the crop box is equal to the container
                this.$face.data(DATA_ACTION, cropBox.width >= container.width && cropBox.height >= container.height ? ACTION_MOVE : ACTION_ALL);
            }

            this.$cropBox.css({
                width: cropBox.width,
                height: cropBox.height,
                transform: getTransformValues({
                    translateX: cropBox.left,
                    translateY: cropBox.top
                })
            });

            if (this.cropped && this.limited) {
                this.limitCanvas(true, true);
            }

            if (!this.disabled) {
                this.output();
            }
        },
        output: function output() {
            this.preview();

            if (this.completed) {
                this.trigger(EVENT_CROP, this.getData());
            }
        }
    };

    var preview = {
        initPreview: function initPreview() {
            var crossOrigin = this.crossOrigin;

            var url = crossOrigin ? this.crossOriginUrl : this.url;
            var image = document.createElement('img');

            if (crossOrigin) {
                image.crossOrigin = crossOrigin;
            }

            image.src = url;

            var $clone2 = $(image);

            this.$preview = $(this.options.preview);
            this.$clone2 = $clone2;
            this.$viewBox.html($clone2);
            this.$preview.each(function (i, element) {
                var $element = $(element);
                var img = document.createElement('img');

                // Save the original size for recover
                $element.data(DATA_PREVIEW, {
                    width: $element.width(),
                    height: $element.height(),
                    html: $element.html()
                });

                if (crossOrigin) {
                    img.crossOrigin = crossOrigin;
                }

                img.src = url;

                /**
                 * Override img element styles
                 * Add `display:block` to avoid margin top issue
                 * Add `height:auto` to override `height` attribute on IE8
                 * (Occur only when margin-top <= -height)
                 */
                img.style.cssText = 'display:block;' + 'width:100%;' + 'height:auto;' + 'min-width:0!important;' + 'min-height:0!important;' + 'max-width:none!important;' + 'max-height:none!important;' + 'image-orientation:0deg!important;"';

                $element.html(img);
            });
        },
        resetPreview: function resetPreview() {
            this.$preview.each(function (i, element) {
                var $element = $(element);
                var data = $element.data(DATA_PREVIEW);

                $element.css({
                    width: data.width,
                    height: data.height
                }).html(data.html).removeData(DATA_PREVIEW);
            });
        },
        preview: function preview() {
            var image = this.image,
                canvas = this.canvas,
                cropBox = this.cropBox;
            var cropBoxWidth = cropBox.width,
                cropBoxHeight = cropBox.height;
            var width = image.width,
                height = image.height;

            var left = cropBox.left - canvas.left - image.left;
            var top = cropBox.top - canvas.top - image.top;

            if (!this.cropped || this.disabled) {
                return;
            }

            this.$clone2.css({
                width: width,
                height: height,
                transform: getTransformValues($.extend({
                    translateX: -left,
                    translateY: -top
                }, image))
            });

            this.$preview.each(function (i, element) {
                var $element = $(element);
                var data = $element.data(DATA_PREVIEW);
                var originalWidth = data.width;
                var originalHeight = data.height;
                var newWidth = originalWidth;
                var newHeight = originalHeight;
                var ratio = 1;

                if (cropBoxWidth) {
                    ratio = originalWidth / cropBoxWidth;
                    newHeight = cropBoxHeight * ratio;
                }

                if (cropBoxHeight && newHeight > originalHeight) {
                    ratio = originalHeight / cropBoxHeight;
                    newWidth = cropBoxWidth * ratio;
                    newHeight = originalHeight;
                }

                $element.css({
                    width: newWidth,
                    height: newHeight
                }).find('img').css({
                    width: width * ratio,
                    height: height * ratio,
                    transform: getTransformValues($.extend({
                        translateX: -left * ratio,
                        translateY: -top * ratio
                    }, image))
                });
            });
        }
    };

    var events = {
        bind: function bind() {
            var $element = this.$element,
                options = this.options,
                $cropper = this.$cropper;


            if ($.isFunction(options.cropstart)) {
                $element.on(EVENT_CROP_START, options.cropstart);
            }

            if ($.isFunction(options.cropmove)) {
                $element.on(EVENT_CROP_MOVE, options.cropmove);
            }

            if ($.isFunction(options.cropend)) {
                $element.on(EVENT_CROP_END, options.cropend);
            }

            if ($.isFunction(options.crop)) {
                $element.on(EVENT_CROP, options.crop);
            }

            if ($.isFunction(options.zoom)) {
                $element.on(EVENT_ZOOM, options.zoom);
            }

            $cropper.on(EVENT_POINTER_DOWN, proxy(this.cropStart, this));

            if (options.zoomable && options.zoomOnWheel) {
                $cropper.on(EVENT_WHEEL, proxy(this.wheel, this));
            }

            if (options.toggleDragModeOnDblclick) {
                $cropper.on(EVENT_DBLCLICK, proxy(this.dblclick, this));
            }

            $(document).on(EVENT_POINTER_MOVE, this.onCropMove = proxy(this.cropMove, this)).on(EVENT_POINTER_UP, this.onCropEnd = proxy(this.cropEnd, this));

            if (options.responsive) {
                $(window).on(EVENT_RESIZE, this.onResize = proxy(this.resize, this));
            }
        },
        unbind: function unbind() {
            var $element = this.$element,
                options = this.options,
                $cropper = this.$cropper;


            if ($.isFunction(options.cropstart)) {
                $element.off(EVENT_CROP_START, options.cropstart);
            }

            if ($.isFunction(options.cropmove)) {
                $element.off(EVENT_CROP_MOVE, options.cropmove);
            }

            if ($.isFunction(options.cropend)) {
                $element.off(EVENT_CROP_END, options.cropend);
            }

            if ($.isFunction(options.crop)) {
                $element.off(EVENT_CROP, options.crop);
            }

            if ($.isFunction(options.zoom)) {
                $element.off(EVENT_ZOOM, options.zoom);
            }

            $cropper.off(EVENT_POINTER_DOWN, this.cropStart);

            if (options.zoomable && options.zoomOnWheel) {
                $cropper.off(EVENT_WHEEL, this.wheel);
            }

            if (options.toggleDragModeOnDblclick) {
                $cropper.off(EVENT_DBLCLICK, this.dblclick);
            }

            $(document).off(EVENT_POINTER_MOVE, this.onCropMove).off(EVENT_POINTER_UP, this.onCropEnd);

            if (options.responsive) {
                $(window).off(EVENT_RESIZE, this.onResize);
            }
        }
    };

    var handlers = {
        resize: function resize() {
            var options = this.options,
                $container = this.$container,
                container = this.container;

            var minContainerWidth = Number(options.minContainerWidth) || 200;
            var minContainerHeight = Number(options.minContainerHeight) || 100;

            if (this.disabled || container.width <= minContainerWidth || container.height <= minContainerHeight) {
                return;
            }

            var ratio = $container.width() / container.width;

            // Resize when width changed or height changed
            if (ratio !== 1 || $container.height() !== container.height) {
                var canvasData = void 0;
                var cropBoxData = void 0;

                if (options.restore) {
                    canvasData = this.getCanvasData();
                    cropBoxData = this.getCropBoxData();
                }

                this.render();

                if (options.restore) {
                    this.setCanvasData($.each(canvasData, function (i, n) {
                        canvasData[i] = n * ratio;
                    }));
                    this.setCropBoxData($.each(cropBoxData, function (i, n) {
                        cropBoxData[i] = n * ratio;
                    }));
                }
            }
        },
        dblclick: function dblclick() {
            if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) {
                return;
            }

            this.setDragMode(this.$dragBox.hasClass(CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP);
        },
        wheel: function wheel(event) {
            var _this = this;

            var e = event.originalEvent || event;
            var ratio = Number(this.options.wheelZoomRatio) || 0.1;

            if (this.disabled) {
                return;
            }

            event.preventDefault();

            // Limit wheel speed to prevent zoom too fast
            if (this.wheeling) {
                return;
            }

            this.wheeling = true;

            setTimeout(function () {
                _this.wheeling = false;
            }, 50);

            var delta = 1;

            if (e.deltaY) {
                delta = e.deltaY > 0 ? 1 : -1;
            } else if (e.wheelDelta) {
                delta = -e.wheelDelta / 120;
            } else if (e.detail) {
                delta = e.detail > 0 ? 1 : -1;
            }

            this.zoom(-delta * ratio, event);
        },
        cropStart: function cropStart(e) {
            if (this.disabled) {
                return;
            }

            var options = this.options,
                pointers = this.pointers;
            var originalEvent = e.originalEvent;

            var action = void 0;

            if (originalEvent && originalEvent.changedTouches) {
                // Handle touch event
                $.each(originalEvent.changedTouches, function (i, touch) {
                    pointers[touch.identifier] = getPointer(touch);
                });
            } else {
                // Handle mouse event and pointer event
                pointers[originalEvent && originalEvent.pointerId || 0] = getPointer(originalEvent || e);
            }

            if (objectKeys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {
                action = ACTION_ZOOM;
            } else {
                action = $(e.target).data(DATA_ACTION);
            }

            if (!REGEXP_ACTIONS.test(action)) {
                return;
            }

            if (this.trigger(EVENT_CROP_START, {
                    originalEvent: originalEvent,
                    action: action
                }).isDefaultPrevented()) {
                return;
            }

            e.preventDefault();

            this.action = action;
            this.cropping = false;

            if (action === ACTION_CROP) {
                this.cropping = true;
                this.$dragBox.addClass(CLASS_MODAL);
            }
        },
        cropMove: function cropMove(e) {
            var action = this.action;


            if (this.disabled || !action) {
                return;
            }

            var pointers = this.pointers;
            var originalEvent = e.originalEvent;


            e.preventDefault();

            if (this.trigger(EVENT_CROP_MOVE, {
                    originalEvent: originalEvent,
                    action: action
                }).isDefaultPrevented()) {
                return;
            }

            if (originalEvent && originalEvent.changedTouches) {
                $.each(originalEvent.changedTouches, function (i, touch) {
                    $.extend(pointers[touch.identifier], getPointer(touch, true));
                });
            } else {
                $.extend(pointers[originalEvent && originalEvent.pointerId || 0], getPointer(originalEvent || e, true));
            }

            this.change(e);
        },
        cropEnd: function cropEnd(e) {
            if (this.disabled) {
                return;
            }

            var action = this.action;
            var pointers = this.pointers;
            var originalEvent = e.originalEvent;


            if (originalEvent && originalEvent.changedTouches) {
                $.each(originalEvent.changedTouches, function (i, touch) {
                    delete pointers[touch.identifier];
                });
            } else {
                delete pointers[originalEvent && originalEvent.pointerId || 0];
            }

            if (!action) {
                return;
            }

            e.preventDefault();

            if (!objectKeys(pointers).length) {
                this.action = '';
            }

            if (this.cropping) {
                this.cropping = false;
                this.$dragBox.toggleClass(CLASS_MODAL, this.cropped && this.options.modal);
            }

            this.trigger(EVENT_CROP_END, {
                originalEvent: originalEvent,
                action: action
            });
        }
    };

    var change = {
        change: function change(e) {
            var options = this.options,
                pointers = this.pointers,
                container = this.container,
                canvas = this.canvas,
                cropBox = this.cropBox;
            var action = this.action;
            var aspectRatio = options.aspectRatio;
            var left = cropBox.left,
                top = cropBox.top,
                width = cropBox.width,
                height = cropBox.height;

            var right = left + width;
            var bottom = top + height;
            var minLeft = 0;
            var minTop = 0;
            var maxWidth = container.width;
            var maxHeight = container.height;
            var renderable = true;
            var offset = void 0;

            // Locking aspect ratio in "free mode" by holding shift key (#259)
            if (!aspectRatio && e.shiftKey) {
                aspectRatio = width && height ? width / height : 1;
            }

            if (this.limited) {
                minLeft = cropBox.minLeft;
                minTop = cropBox.minTop;

                maxWidth = minLeft + Math.min(container.width, canvas.width, canvas.left + canvas.width);
                maxHeight = minTop + Math.min(container.height, canvas.height, canvas.top + canvas.height);
            }

            var pointer = pointers[objectKeys(pointers)[0]];
            var range = {
                x: pointer.endX - pointer.startX,
                y: pointer.endY - pointer.startY
            };
            var check = function check(side) {
                switch (side) {
                    case ACTION_EAST:
                        if (right + range.x > maxWidth) {
                            range.x = maxWidth - right;
                        }

                        break;

                    case ACTION_WEST:
                        if (left + range.x < minLeft) {
                            range.x = minLeft - left;
                        }

                        break;

                    case ACTION_NORTH:
                        if (top + range.y < minTop) {
                            range.y = minTop - top;
                        }

                        break;

                    case ACTION_SOUTH:
                        if (bottom + range.y > maxHeight) {
                            range.y = maxHeight - bottom;
                        }

                        break;

                    default:
                }
            };

            switch (action) {
                // Move crop box
                case ACTION_ALL:
                    left += range.x;
                    top += range.y;
                    break;

                // Resize crop box
                case ACTION_EAST:
                    if (range.x >= 0 && (right >= maxWidth || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_EAST);
                    width += range.x;

                    if (aspectRatio) {
                        height = width / aspectRatio;
                        top -= range.x / aspectRatio / 2;
                    }

                    if (width < 0) {
                        action = ACTION_WEST;
                        width = 0;
                    }

                    break;

                case ACTION_NORTH:
                    if (range.y <= 0 && (top <= minTop || aspectRatio && (left <= minLeft || right >= maxWidth))) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_NORTH);
                    height -= range.y;
                    top += range.y;

                    if (aspectRatio) {
                        width = height * aspectRatio;
                        left += range.y * aspectRatio / 2;
                    }

                    if (height < 0) {
                        action = ACTION_SOUTH;
                        height = 0;
                    }

                    break;

                case ACTION_WEST:
                    if (range.x <= 0 && (left <= minLeft || aspectRatio && (top <= minTop || bottom >= maxHeight))) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_WEST);
                    width -= range.x;
                    left += range.x;

                    if (aspectRatio) {
                        height = width / aspectRatio;
                        top += range.x / aspectRatio / 2;
                    }

                    if (width < 0) {
                        action = ACTION_EAST;
                        width = 0;
                    }

                    break;

                case ACTION_SOUTH:
                    if (range.y >= 0 && (bottom >= maxHeight || aspectRatio && (left <= minLeft || right >= maxWidth))) {
                        renderable = false;
                        break;
                    }

                    check(ACTION_SOUTH);
                    height += range.y;

                    if (aspectRatio) {
                        width = height * aspectRatio;
                        left -= range.y * aspectRatio / 2;
                    }

                    if (height < 0) {
                        action = ACTION_NORTH;
                        height = 0;
                    }

                    break;

                case ACTION_NORTH_EAST:
                    if (aspectRatio) {
                        if (range.y <= 0 && (top <= minTop || right >= maxWidth)) {
                            renderable = false;
                            break;
                        }

                        check(ACTION_NORTH);
                        height -= range.y;
                        top += range.y;
                        width = height * aspectRatio;
                    } else {
                        check(ACTION_NORTH);
                        check(ACTION_EAST);

                        if (range.x >= 0) {
                            if (right < maxWidth) {
                                width += range.x;
                            } else if (range.y <= 0 && top <= minTop) {
                                renderable = false;
                            }
                        } else {
                            width += range.x;
                        }

                        if (range.y <= 0) {
                            if (top > minTop) {
                                height -= range.y;
                                top += range.y;
                            }
                        } else {
                            height -= range.y;
                            top += range.y;
                        }
                    }

                    if (width < 0 && height < 0) {
                        action = ACTION_SOUTH_WEST;
                        height = 0;
                        width = 0;
                    } else if (width < 0) {
                        action = ACTION_NORTH_WEST;
                        width = 0;
                    } else if (height < 0) {
                        action = ACTION_SOUTH_EAST;
                        height = 0;
                    }

                    break;

                case ACTION_NORTH_WEST:
                    if (aspectRatio) {
                        if (range.y <= 0 && (top <= minTop || left <= minLeft)) {
                            renderable = false;
                            break;
                        }

                        check(ACTION_NORTH);
                        height -= range.y;
                        top += range.y;
                        width = height * aspectRatio;
                        left += range.y * aspectRatio;
                    } else {
                        check(ACTION_NORTH);
                        check(ACTION_WEST);

                        if (range.x <= 0) {
                            if (left > minLeft) {
                                width -= range.x;
                                left += range.x;
                            } else if (range.y <= 0 && top <= minTop) {
                                renderable = false;
                            }
                        } else {
                            width -= range.x;
                            left += range.x;
                        }

                        if (range.y <= 0) {
                            if (top > minTop) {
                                height -= range.y;
                                top += range.y;
                            }
                        } else {
                            height -= range.y;
                            top += range.y;
                        }
                    }

                    if (width < 0 && height < 0) {
                        action = ACTION_SOUTH_EAST;
                        height = 0;
                        width = 0;
                    } else if (width < 0) {
                        action = ACTION_NORTH_EAST;
                        width = 0;
                    } else if (height < 0) {
                        action = ACTION_SOUTH_WEST;
                        height = 0;
                    }

                    break;

                case ACTION_SOUTH_WEST:
                    if (aspectRatio) {
                        if (range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) {
                            renderable = false;
                            break;
                        }

                        check(ACTION_WEST);
                        width -= range.x;
                        left += range.x;
                        height = width / aspectRatio;
                    } else {
                        check(ACTION_SOUTH);
                        check(ACTION_WEST);

                        if (range.x <= 0) {
                            if (left > minLeft) {
                                width -= range.x;
                                left += range.x;
                            } else if (range.y >= 0 && bottom >= maxHeight) {
                                renderable = false;
                            }
                        } else {
                            width -= range.x;
                            left += range.x;
                        }

                        if (range.y >= 0) {
                            if (bottom < maxHeight) {
                                height += range.y;
                            }
                        } else {
                            height += range.y;
                        }
                    }

                    if (width < 0 && height < 0) {
                        action = ACTION_NORTH_EAST;
                        height = 0;
                        width = 0;
                    } else if (width < 0) {
                        action = ACTION_SOUTH_EAST;
                        width = 0;
                    } else if (height < 0) {
                        action = ACTION_NORTH_WEST;
                        height = 0;
                    }

                    break;

                case ACTION_SOUTH_EAST:
                    if (aspectRatio) {
                        if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) {
                            renderable = false;
                            break;
                        }

                        check(ACTION_EAST);
                        width += range.x;
                        height = width / aspectRatio;
                    } else {
                        check(ACTION_SOUTH);
                        check(ACTION_EAST);

                        if (range.x >= 0) {
                            if (right < maxWidth) {
                                width += range.x;
                            } else if (range.y >= 0 && bottom >= maxHeight) {
                                renderable = false;
                            }
                        } else {
                            width += range.x;
                        }

                        if (range.y >= 0) {
                            if (bottom < maxHeight) {
                                height += range.y;
                            }
                        } else {
                            height += range.y;
                        }
                    }

                    if (width < 0 && height < 0) {
                        action = ACTION_NORTH_WEST;
                        height = 0;
                        width = 0;
                    } else if (width < 0) {
                        action = ACTION_SOUTH_WEST;
                        width = 0;
                    } else if (height < 0) {
                        action = ACTION_NORTH_EAST;
                        height = 0;
                    }

                    break;

                // Move canvas
                case ACTION_MOVE:
                    this.move(range.x, range.y);
                    renderable = false;
                    break;

                // Zoom canvas
                case ACTION_ZOOM:
                    this.zoom(getMaxZoomRatio(pointers), e.originalEvent);
                    renderable = false;
                    break;

                // Create crop box
                case ACTION_CROP:
                    if (!range.x || !range.y) {
                        renderable = false;
                        break;
                    }

                    offset = this.$cropper.offset();
                    left = pointer.startX - offset.left;
                    top = pointer.startY - offset.top;
                    width = cropBox.minWidth;
                    height = cropBox.minHeight;

                    if (range.x > 0) {
                        action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST;
                    } else if (range.x < 0) {
                        left -= width;
                        action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST;
                    }

                    if (range.y < 0) {
                        top -= height;
                    }

                    // Show the crop box if is hidden
                    if (!this.cropped) {
                        this.$cropBox.removeClass(CLASS_HIDDEN);
                        this.cropped = true;

                        if (this.limited) {
                            this.limitCropBox(true, true);
                        }
                    }

                    break;

                default:
            }

            if (renderable) {
                cropBox.width = width;
                cropBox.height = height;
                cropBox.left = left;
                cropBox.top = top;
                this.action = action;
                this.renderCropBox();
            }

            // Override
            $.each(pointers, function (i, p) {
                p.startX = p.endX;
                p.startY = p.endY;
            });
        }
    };

    function _toConsumableArray$1(arr) {
        if (Array.isArray(arr)) {
            for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) {
                arr2[i] = arr[i];
            }
            return arr2;
        } else {
            return Array.from(arr);
        }
    }

    var methods = {
        // Show the crop box manually
        crop: function crop() {
            if (!this.ready || this.disabled) {
                return;
            }

            if (!this.cropped) {
                this.cropped = true;
                this.limitCropBox(true, true);

                if (this.options.modal) {
                    this.$dragBox.addClass(CLASS_MODAL);
                }

                this.$cropBox.removeClass(CLASS_HIDDEN);
            }

            this.setCropBoxData(this.initialCropBox);
        },


        // Reset the image and crop box to their initial states
        reset: function reset() {
            if (!this.ready || this.disabled) {
                return;
            }

            this.image = $.extend({}, this.initialImage);
            this.canvas = $.extend({}, this.initialCanvas);
            this.cropBox = $.extend({}, this.initialCropBox);
            this.renderCanvas();

            if (this.cropped) {
                this.renderCropBox();
            }
        },


        // Clear the crop box
        clear: function clear() {
            if (!this.cropped || this.disabled) {
                return;
            }

            $.extend(this.cropBox, {
                left: 0,
                top: 0,
                width: 0,
                height: 0
            });

            this.cropped = false;
            this.renderCropBox();
            this.limitCanvas(true, true);

            // Render canvas after crop box rendered
            this.renderCanvas();
            this.$dragBox.removeClass(CLASS_MODAL);
            this.$cropBox.addClass(CLASS_HIDDEN);
        },


        /**
         * Replace the image's src and rebuild the cropper
         * @param {string} url - The new URL.
         * @param {boolean} [onlyColorChanged] - Indicate if the new image only changed color.
         */
        replace: function replace(url, onlyColorChanged) {
            if (!this.disabled && url) {
                if (this.isImg) {
                    this.$element.attr('src', url);
                }

                if (onlyColorChanged) {
                    this.url = url;
                    this.$clone.attr('src', url);

                    if (this.ready) {
                        this.$preview.find('img').add(this.$clone2).attr('src', url);
                    }
                } else {
                    if (this.isImg) {
                        this.replaced = true;
                    }

                    // Clear previous data
                    this.options.data = null;
                    this.load(url);
                }
            }
        },


        // Enable (unfreeze) the cropper
        enable: function enable() {
            if (this.ready) {
                this.disabled = false;
                this.$cropper.removeClass(CLASS_DISABLED);
            }
        },


        // Disable (freeze) the cropper
        disable: function disable() {
            if (this.ready) {
                this.disabled = true;
                this.$cropper.addClass(CLASS_DISABLED);
            }
        },


        // Destroy the cropper and remove the instance from the image
        destroy: function destroy() {
            var $element = this.$element;


            if (this.loaded) {
                if (this.isImg && this.replaced) {
                    $element.attr('src', this.originalUrl);
                }

                this.unbuild();
                $element.removeClass(CLASS_HIDDEN);
            } else if (this.isImg) {
                $element.off(EVENT_LOAD, this.start);
            } else if (this.$clone) {
                this.$clone.remove();
            }

            $element.removeData(NAMESPACE);
        },


        /**
         * Move the canvas with relative offsets
         * @param {number} offsetX - The relative offset distance on the x-axis.
         * @param {number} offsetY - The relative offset distance on the y-axis.
         */
        move: function move(offsetX, offsetY) {
            var _canvas = this.canvas,
                left = _canvas.left,
                top = _canvas.top;


            this.moveTo(isUndefined(offsetX) ? offsetX : left + Number(offsetX), isUndefined(offsetY) ? offsetY : top + Number(offsetY));
        },


        /**
         * Move the canvas to an absolute point
         * @param {number} x - The x-axis coordinate.
         * @param {number} [y=x] - The y-axis coordinate.
         */
        moveTo: function moveTo(x, y) {
            var canvas = this.canvas;

            var changed = false;

            // If "y" is not present, its default value is "x"
            if (isUndefined(y)) {
                y = x;
            }

            x = Number(x);
            y = Number(y);

            if (this.ready && !this.disabled && this.options.movable) {
                if (isNumber(x)) {
                    canvas.left = x;
                    changed = true;
                }

                if (isNumber(y)) {
                    canvas.top = y;
                    changed = true;
                }

                if (changed) {
                    this.renderCanvas(true);
                }
            }
        },


        /**
         * Zoom the canvas with a relative ratio
         * @param {Number} ratio - The target ratio.
         * @param {Event} _event - The related event if any.
         */
        zoom: function zoom(ratio, _event) {
            var canvas = this.canvas;


            ratio = Number(ratio);

            if (ratio < 0) {
                ratio = 1 / (1 - ratio);
            } else {
                ratio = 1 + ratio;
            }

            this.zoomTo(canvas.width * ratio / canvas.naturalWidth, _event);
        },


        /**
         * Zoom the canvas to an absolute ratio
         * @param {number} ratio - The target ratio.
         * @param {Event} _event - The related event if any.
         */
        zoomTo: function zoomTo(ratio, _event) {
            var options = this.options,
                pointers = this.pointers,
                canvas = this.canvas;
            var width = canvas.width,
                height = canvas.height,
                naturalWidth = canvas.naturalWidth,
                naturalHeight = canvas.naturalHeight;


            ratio = Number(ratio);

            if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) {
                var newWidth = naturalWidth * ratio;
                var newHeight = naturalHeight * ratio;
                var originalEvent = void 0;

                if (_event) {
                    originalEvent = _event.originalEvent;
                }

                if (this.trigger(EVENT_ZOOM, {
                        originalEvent: originalEvent,
                        oldRatio: width / naturalWidth,
                        ratio: newWidth / naturalWidth
                    }).isDefaultPrevented()) {
                    return;
                }

                if (originalEvent) {
                    var offset = this.$cropper.offset();
                    var center = pointers && objectKeys(pointers).length ? getPointersCenter(pointers) : {
                        pageX: _event.pageX || originalEvent.pageX || 0,
                        pageY: _event.pageY || originalEvent.pageY || 0
                    };

                    // Zoom from the triggering point of the event
                    canvas.left -= (newWidth - width) * ((center.pageX - offset.left - canvas.left) / width);
                    canvas.top -= (newHeight - height) * ((center.pageY - offset.top - canvas.top) / height);
                } else {
                    // Zoom from the center of the canvas
                    canvas.left -= (newWidth - width) / 2;
                    canvas.top -= (newHeight - height) / 2;
                }

                canvas.width = newWidth;
                canvas.height = newHeight;
                this.renderCanvas(true);
            }
        },


        /**
         * Rotate the canvas with a relative degree
         * @param {number} degree - The rotate degree.
         */
        rotate: function rotate(degree) {
            this.rotateTo((this.image.rotate || 0) + Number(degree));
        },


        /**
         * Rotate the canvas to an absolute degree
         * @param {number} degree - The rotate degree.
         */
        rotateTo: function rotateTo(degree) {
            degree = Number(degree);

            if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) {
                this.image.rotate = degree % 360;
                this.renderCanvas(true, true);
            }
        },


        /**
         * Scale the image on the x-axis.
         * @param {number} scaleX - The scale ratio on the x-axis.
         */
        scaleX: function scaleX(_scaleX) {
            var scaleY = this.image.scaleY;


            this.scale(_scaleX, isNumber(scaleY) ? scaleY : 1);
        },


        /**
         * Scale the image on the y-axis.
         * @param {number} scaleY - The scale ratio on the y-axis.
         */
        scaleY: function scaleY(_scaleY) {
            var scaleX = this.image.scaleX;


            this.scale(isNumber(scaleX) ? scaleX : 1, _scaleY);
        },


        /**
         * Scale the image
         * @param {number} scaleX - The scale ratio on the x-axis.
         * @param {number} [scaleY=scaleX] - The scale ratio on the y-axis.
         */
        scale: function scale(scaleX) {
            var scaleY = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : scaleX;
            var image = this.image;

            var transformed = false;

            scaleX = Number(scaleX);
            scaleY = Number(scaleY);

            if (this.ready && !this.disabled && this.options.scalable) {
                if (isNumber(scaleX)) {
                    image.scaleX = scaleX;
                    transformed = true;
                }

                if (isNumber(scaleY)) {
                    image.scaleY = scaleY;
                    transformed = true;
                }

                if (transformed) {
                    this.renderCanvas(true, true);
                }
            }
        },


        /**
         * Get the cropped area position and size data (base on the original image)
         * @param {boolean} [rounded=false] - Indicate if round the data values or not.
         * @returns {Object} The result cropped data.
         */
        getData: function getData() {
            var rounded = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
            var options = this.options,
                image = this.image,
                canvas = this.canvas,
                cropBox = this.cropBox;

            var data = void 0;

            if (this.ready && this.cropped) {
                data = {
                    x: cropBox.left - canvas.left,
                    y: cropBox.top - canvas.top,
                    width: cropBox.width,
                    height: cropBox.height
                };

                var ratio = image.width / image.naturalWidth;

                $.each(data, function (i, n) {
                    n /= ratio;
                    data[i] = rounded ? Math.round(n) : n;
                });
            } else {
                data = {
                    x: 0,
                    y: 0,
                    width: 0,
                    height: 0
                };
            }

            if (options.rotatable) {
                data.rotate = image.rotate || 0;
            }

            if (options.scalable) {
                data.scaleX = image.scaleX || 1;
                data.scaleY = image.scaleY || 1;
            }

            return data;
        },


        /**
         * Set the cropped area position and size with new data
         * @param {Object} data - The new data.
         */
        setData: function setData(data) {
            var options = this.options,
                image = this.image,
                canvas = this.canvas;

            var cropBoxData = {};

            if ($.isFunction(data)) {
                data = data.call(this.element);
            }

            if (this.ready && !this.disabled && $.isPlainObject(data)) {
                var transformed = false;

                if (options.rotatable) {
                    if (isNumber(data.rotate) && data.rotate !== image.rotate) {
                        image.rotate = data.rotate;
                        transformed = true;
                    }
                }

                if (options.scalable) {
                    if (isNumber(data.scaleX) && data.scaleX !== image.scaleX) {
                        image.scaleX = data.scaleX;
                        transformed = true;
                    }

                    if (isNumber(data.scaleY) && data.scaleY !== image.scaleY) {
                        image.scaleY = data.scaleY;
                        transformed = true;
                    }
                }

                if (transformed) {
                    this.renderCanvas(true, true);
                }

                var ratio = image.width / image.naturalWidth;

                if (isNumber(data.x)) {
                    cropBoxData.left = data.x * ratio + canvas.left;
                }

                if (isNumber(data.y)) {
                    cropBoxData.top = data.y * ratio + canvas.top;
                }

                if (isNumber(data.width)) {
                    cropBoxData.width = data.width * ratio;
                }

                if (isNumber(data.height)) {
                    cropBoxData.height = data.height * ratio;
                }

                this.setCropBoxData(cropBoxData);
            }
        },


        /**
         * Get the container size data.
         * @returns {Object} The result container data.
         */
        getContainerData: function getContainerData() {
            return this.ready ? $.extend({}, this.container) : {};
        },


        /**
         * Get the image position and size data.
         * @returns {Object} The result image data.
         */
        getImageData: function getImageData() {
            return this.loaded ? $.extend({}, this.image) : {};
        },


        /**
         * Get the canvas position and size data.
         * @returns {Object} The result canvas data.
         */
        getCanvasData: function getCanvasData() {
            var canvas = this.canvas;

            var data = {};

            if (this.ready) {
                $.each(['left', 'top', 'width', 'height', 'naturalWidth', 'naturalHeight'], function (i, n) {
                    data[n] = canvas[n];
                });
            }

            return data;
        },


        /**
         * Set the canvas position and size with new data.
         * @param {Object} data - The new canvas data.
         */
        setCanvasData: function setCanvasData(data) {
            var canvas = this.canvas;
            var aspectRatio = canvas.aspectRatio;


            if ($.isFunction(data)) {
                data = data.call(this.$element);
            }

            if (this.ready && !this.disabled && $.isPlainObject(data)) {
                if (isNumber(data.left)) {
                    canvas.left = data.left;
                }

                if (isNumber(data.top)) {
                    canvas.top = data.top;
                }

                if (isNumber(data.width)) {
                    canvas.width = data.width;
                    canvas.height = data.width / aspectRatio;
                } else if (isNumber(data.height)) {
                    canvas.height = data.height;
                    canvas.width = data.height * aspectRatio;
                }

                this.renderCanvas(true);
            }
        },


        /**
         * Get the crop box position and size data.
         * @returns {Object} The result crop box data.
         */
        getCropBoxData: function getCropBoxData() {
            var cropBox = this.cropBox;


            return this.ready && this.cropped ? {
                left: cropBox.left,
                top: cropBox.top,
                width: cropBox.width,
                height: cropBox.height
            } : {};
        },


        /**
         * Set the crop box position and size with new data.
         * @param {Object} data - The new crop box data.
         */
        setCropBoxData: function setCropBoxData(data) {
            var cropBox = this.cropBox;
            var aspectRatio = this.options.aspectRatio;

            var widthChanged = void 0;
            var heightChanged = void 0;

            if ($.isFunction(data)) {
                data = data.call(this.$element);
            }

            if (this.ready && this.cropped && !this.disabled && $.isPlainObject(data)) {
                if (isNumber(data.left)) {
                    cropBox.left = data.left;
                }

                if (isNumber(data.top)) {
                    cropBox.top = data.top;
                }

                if (isNumber(data.width) && data.width !== cropBox.width) {
                    widthChanged = true;
                    cropBox.width = data.width;
                }

                if (isNumber(data.height) && data.height !== cropBox.height) {
                    heightChanged = true;
                    cropBox.height = data.height;
                }

                if (aspectRatio) {
                    if (widthChanged) {
                        cropBox.height = cropBox.width / aspectRatio;
                    } else if (heightChanged) {
                        cropBox.width = cropBox.height * aspectRatio;
                    }
                }

                this.renderCropBox();
            }
        },


        /**
         * Get a canvas drawn the cropped image.
         * @param {Object} [options={}] - The config options.
         * @returns {HTMLCanvasElement} - The result canvas.
         */
        getCroppedCanvas: function getCroppedCanvas() {
            var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

            if (!this.ready || !window.HTMLCanvasElement) {
                return null;
            }

            var canvasData = this.canvas;

            var source = getSourceCanvas(this.$clone[0], this.image, canvasData, options);

            // Returns the source canvas if it is not cropped.
            if (!this.cropped) {
                return source;
            }

            var _getData = this.getData(),
                x = _getData.x,
                y = _getData.y,
                initialWidth = _getData.width,
                initialHeight = _getData.height;

            var aspectRatio = initialWidth / initialHeight;
            var maxSizes = getContainSizes({
                aspectRatio: aspectRatio,
                width: options.maxWidth || Infinity,
                height: options.maxHeight || Infinity
            });
            var minSizes = getContainSizes({
                aspectRatio: aspectRatio,
                width: options.minWidth || 0,
                height: options.minHeight || 0
            });

            var _getContainSizes = getContainSizes({
                    aspectRatio: aspectRatio,
                    width: options.width || initialWidth,
                    height: options.height || initialHeight
                }),
                width = _getContainSizes.width,
                height = _getContainSizes.height;

            width = Math.min(maxSizes.width, Math.max(minSizes.width, width));
            height = Math.min(maxSizes.height, Math.max(minSizes.height, height));

            var canvas = document.createElement('canvas');
            var context = canvas.getContext('2d');

            canvas.width = normalizeDecimalNumber(width);
            canvas.height = normalizeDecimalNumber(height);
            context.fillStyle = options.fillColor || 'transparent';
            context.fillRect(0, 0, width, height);

            var _options$imageSmoothi = options.imageSmoothingEnabled,
                imageSmoothingEnabled = _options$imageSmoothi === undefined ? true : _options$imageSmoothi,
                imageSmoothingQuality = options.imageSmoothingQuality;


            context.imageSmoothingEnabled = imageSmoothingEnabled;

            if (imageSmoothingQuality) {
                context.imageSmoothingQuality = imageSmoothingQuality;
            }

            // https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage
            var sourceWidth = source.width;
            var sourceHeight = source.height;

            // Source canvas parameters
            var srcX = x;
            var srcY = y;
            var srcWidth = void 0;
            var srcHeight = void 0;

            // Destination canvas parameters
            var dstX = void 0;
            var dstY = void 0;
            var dstWidth = void 0;
            var dstHeight = void 0;

            if (srcX <= -initialWidth || srcX > sourceWidth) {
                srcX = 0;
                srcWidth = 0;
                dstX = 0;
                dstWidth = 0;
            } else if (srcX <= 0) {
                dstX = -srcX;
                srcX = 0;
                srcWidth = Math.min(sourceWidth, initialWidth + srcX);
                dstWidth = srcWidth;
            } else if (srcX <= sourceWidth) {
                dstX = 0;
                srcWidth = Math.min(initialWidth, sourceWidth - srcX);
                dstWidth = srcWidth;
            }

            if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) {
                srcY = 0;
                srcHeight = 0;
                dstY = 0;
                dstHeight = 0;
            } else if (srcY <= 0) {
                dstY = -srcY;
                srcY = 0;
                srcHeight = Math.min(sourceHeight, initialHeight + srcY);
                dstHeight = srcHeight;
            } else if (srcY <= sourceHeight) {
                dstY = 0;
                srcHeight = Math.min(initialHeight, sourceHeight - srcY);
                dstHeight = srcHeight;
            }

            // All the numerical parameters should be integer for `drawImage`
            // https://github.com/fengyuanchen/cropper/issues/476
            var params = [srcX, srcY, srcWidth, srcHeight];

            // Avoid "IndexSizeError"
            if (dstWidth > 0 && dstHeight > 0) {
                var scale = width / initialWidth;

                params.push(dstX * scale, dstY * scale, dstWidth * scale, dstHeight * scale);
            }

            context.drawImage.apply(context, [source].concat(_toConsumableArray$1($.map(params, function (param) {
                return Math.floor(normalizeDecimalNumber(param));
            }))));
            return canvas;
        },


        /**
         * Change the aspect ratio of the crop box.
         * @param {number} aspectRatio - The new aspect ratio.
         */
        setAspectRatio: function setAspectRatio(aspectRatio) {
            var options = this.options;


            if (!this.disabled && !isUndefined(aspectRatio)) {
                // 0 -> NaN
                options.aspectRatio = Math.max(0, aspectRatio) || NaN;

                if (this.ready) {
                    this.initCropBox();

                    if (this.cropped) {
                        this.renderCropBox();
                    }
                }
            }
        },


        /**
         * Change the drag mode.
         * @param {string} mode - The new drag mode.
         */
        setDragMode: function setDragMode(mode) {
            var options = this.options;

            var croppable = void 0;
            var movable = void 0;

            if (this.loaded && !this.disabled) {
                croppable = mode === DRAG_MODE_CROP;
                movable = options.movable && mode === DRAG_MODE_MOVE;
                mode = croppable || movable ? mode : DRAG_MODE_NONE;

                this.$dragBox.data(DATA_ACTION, mode).toggleClass(CLASS_CROP, croppable).toggleClass(CLASS_MOVE, movable);

                if (!options.cropBoxMovable) {
                    // Sync drag mode to crop box when it is not movable(#300)
                    this.$face.data(DATA_ACTION, mode).toggleClass(CLASS_CROP, croppable).toggleClass(CLASS_MOVE, movable);
                }
            }
        }
    };

    var _createClass = function () {
        function defineProperties(target, props) {
            for (var i = 0; i < props.length; i++) {
                var descriptor = props[i];
                descriptor.enumerable = descriptor.enumerable || false;
                descriptor.configurable = true;
                if ("value" in descriptor) descriptor.writable = true;
                Object.defineProperty(target, descriptor.key, descriptor);
            }
        }

        return function (Constructor, protoProps, staticProps) {
            if (protoProps) defineProperties(Constructor.prototype, protoProps);
            if (staticProps) defineProperties(Constructor, staticProps);
            return Constructor;
        };
    }();

    function _classCallCheck(instance, Constructor) {
        if (!(instance instanceof Constructor)) {
            throw new TypeError("Cannot call a class as a function");
        }
    }

    var Cropper = function () {
        /**
         * Create a new Cropper.
         * @param {Element} element - The target element for cropping.
         * @param {Object} [options={}] - The configuration options.
         */
        function Cropper(element) {
            var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

            _classCallCheck(this, Cropper);

            if (!element || !REGEXP_TAG_NAME.test(element.tagName)) {
                throw new Error('The first argument is required and must be an <img> or <canvas> element.');
            }

            this.element = element;
            this.$element = $(element);
            this.options = $.extend({}, DEFAULTS, $.isPlainObject(options) && options);
            this.completed = false;
            this.cropped = false;
            this.disabled = false;
            this.isImg = false;
            this.limited = false;
            this.loaded = false;
            this.ready = false;
            this.replaced = false;
            this.wheeling = false;
            this.originalUrl = '';
            this.canvas = null;
            this.cropBox = null;
            this.pointers = {};
            this.init();
        }

        _createClass(Cropper, [{
            key: 'init',
            value: function init() {
                var $element = this.$element;

                var url = void 0;

                if ($element.is('img')) {
                    this.isImg = true;

                    // Should use `$.fn.attr` here. e.g.: "img/picture.jpg"
                    url = $element.attr('src') || '';
                    this.originalUrl = url;

                    // Stop when it's a blank image
                    if (!url) {
                        return;
                    }

                    // Should use `$.fn.prop` here. e.g.: "http://example.com/img/picture.jpg"
                    url = $element.prop('src');
                } else if ($element.is('canvas') && window.HTMLCanvasElement) {
                    url = $element[0].toDataURL();
                }

                this.load(url);
            }

            // A shortcut for triggering custom events

        }, {
            key: 'trigger',
            value: function trigger(type, data) {
                var e = $.Event(type, data);

                this.$element.trigger(e);

                return e;
            }
        }, {
            key: 'load',
            value: function load(url) {
                var _this = this;

                if (!url) {
                    return;
                }

                this.url = url;
                this.image = {};

                var $element = this.$element,
                    options = this.options;


                if (!options.checkOrientation || !window.ArrayBuffer) {
                    this.clone();
                    return;
                }

                // XMLHttpRequest disallows to open a Data URL in some browsers like IE11 and Safari
                if (REGEXP_DATA_URL.test(url)) {
                    if (REGEXP_DATA_URL_JPEG.test(url)) {
                        this.read(dataURLToArrayBuffer(url));
                    } else {
                        this.clone();
                    }

                    return;
                }

                var xhr = new XMLHttpRequest();

                xhr.onerror = function () {
                    _this.clone();
                };

                xhr.onload = function () {
                    _this.read(xhr.response);
                };

                if (options.checkCrossOrigin && isCrossOriginURL(url) && $element.prop('crossOrigin')) {
                    url = addTimestamp(url);
                }

                xhr.open('get', url);
                xhr.responseType = 'arraybuffer';
                xhr.withCredentials = $element.prop('crossOrigin') === 'use-credentials';
                xhr.send();
            }
        }, {
            key: 'read',
            value: function read(arrayBuffer) {
                var options = this.options,
                    image = this.image;

                var orientation = getOrientation(arrayBuffer);
                var rotate = 0;
                var scaleX = 1;
                var scaleY = 1;

                if (orientation > 1) {
                    this.url = arrayBufferToDataURL(arrayBuffer, 'image/jpeg');

                    var _parseOrientation = parseOrientation(orientation);

                    rotate = _parseOrientation.rotate;
                    scaleX = _parseOrientation.scaleX;
                    scaleY = _parseOrientation.scaleY;
                }

                if (options.rotatable) {
                    image.rotate = rotate;
                }

                if (options.scalable) {
                    image.scaleX = scaleX;
                    image.scaleY = scaleY;
                }

                this.clone();
            }
        }, {
            key: 'clone',
            value: function clone() {
                var $element = this.$element,
                    options = this.options,
                    url = this.url;

                var crossOrigin = '';
                var crossOriginUrl = void 0;

                if (options.checkCrossOrigin && isCrossOriginURL(url)) {
                    crossOrigin = $element.prop('crossOrigin');

                    if (crossOrigin) {
                        crossOriginUrl = url;
                    } else {
                        crossOrigin = 'anonymous';

                        // Bust cache (#148) when there is not a "crossOrigin" property
                        crossOriginUrl = addTimestamp(url);
                    }
                }

                this.crossOrigin = crossOrigin;
                this.crossOriginUrl = crossOriginUrl;

                var image = document.createElement('img');

                if (crossOrigin) {
                    image.crossOrigin = crossOrigin;
                }

                image.src = crossOriginUrl || url;

                var $clone = $(image);

                this.$clone = $clone;

                if (this.isImg) {
                    if (this.element.complete) {
                        this.start();
                    } else {
                        $element.one(EVENT_LOAD, $.proxy(this.start, this));
                    }
                } else {
                    $clone.one(EVENT_LOAD, $.proxy(this.start, this)).one(EVENT_ERROR, $.proxy(this.stop, this)).addClass(CLASS_HIDE).insertAfter($element);
                }
            }
        }, {
            key: 'start',
            value: function start() {
                var _this2 = this;

                var $clone = this.$clone;

                var $image = this.$element;

                if (!this.isImg) {
                    $clone.off(EVENT_ERROR, this.stop);
                    $image = $clone;
                }

                getImageNaturalSizes($image[0], function (naturalWidth, naturalHeight) {
                    $.extend(_this2.image, {
                        naturalWidth: naturalWidth,
                        naturalHeight: naturalHeight,
                        aspectRatio: naturalWidth / naturalHeight
                    });

                    _this2.loaded = true;
                    _this2.build();
                });
            }
        }, {
            key: 'stop',
            value: function stop() {
                this.$clone.remove();
                this.$clone = null;
            }
        }, {
            key: 'build',
            value: function build() {
                var _this3 = this;

                if (!this.loaded) {
                    return;
                }

                // Unbuild first when replace
                if (this.ready) {
                    this.unbuild();
                }

                var $element = this.$element,
                    options = this.options,
                    $clone = this.$clone;

                var $cropper = $(TEMPLATE);
                var $cropBox = $cropper.find('.' + NAMESPACE + '-crop-box');
                var $face = $cropBox.find('.' + NAMESPACE + '-face');

                // Create cropper elements
                this.$container = $element.parent();
                this.$cropper = $cropper;
                this.$canvas = $cropper.find('.' + NAMESPACE + '-canvas').append($clone);
                this.$dragBox = $cropper.find('.' + NAMESPACE + '-drag-box');
                this.$cropBox = $cropBox;
                this.$viewBox = $cropper.find('.' + NAMESPACE + '-view-box');
                this.$face = $face;

                // Hide the original image
                $element.addClass(CLASS_HIDDEN).after($cropper);

                // Show the clone image if is hidden
                if (!this.isImg) {
                    $clone.removeClass(CLASS_HIDE);
                }

                this.initPreview();
                this.bind();

                options.aspectRatio = Math.max(0, options.aspectRatio) || NaN;
                options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0;

                this.cropped = options.autoCrop;

                if (options.autoCrop) {
                    if (options.modal) {
                        this.$dragBox.addClass(CLASS_MODAL);
                    }
                } else {
                    $cropBox.addClass(CLASS_HIDDEN);
                }

                if (!options.guides) {
                    $cropBox.find('.' + NAMESPACE + '-dashed').addClass(CLASS_HIDDEN);
                }

                if (!options.center) {
                    $cropBox.find('.' + NAMESPACE + '-center').addClass(CLASS_HIDDEN);
                }

                if (options.cropBoxMovable) {
                    $face.addClass(CLASS_MOVE).data(DATA_ACTION, ACTION_ALL);
                }

                if (!options.highlight) {
                    $face.addClass(CLASS_INVISIBLE);
                }

                if (options.background) {
                    $cropper.addClass(NAMESPACE + '-bg');
                }

                if (!options.cropBoxResizable) {
                    $cropBox.find('.' + NAMESPACE + '-line,.' + NAMESPACE + '-point').addClass(CLASS_HIDDEN);
                }

                this.setDragMode(options.dragMode);
                this.render();
                this.ready = true;
                this.setData(options.data);

                // Trigger the ready event asynchronously to keep `data('cropper')` is defined
                this.completing = setTimeout(function () {
                    if ($.isFunction(options.ready)) {
                        $element.one(EVENT_READY, options.ready);
                    }

                    _this3.trigger(EVENT_READY);
                    _this3.trigger(EVENT_CROP, _this3.getData());
                    _this3.completed = true;
                }, 0);
            }
        }, {
            key: 'unbuild',
            value: function unbuild() {
                if (!this.ready) {
                    return;
                }

                if (!this.completed) {
                    clearTimeout(this.completing);
                }

                this.ready = false;
                this.completed = false;
                this.initialImage = null;

                // Clear `initialCanvas` is necessary when replace
                this.initialCanvas = null;
                this.initialCropBox = null;
                this.container = null;
                this.canvas = null;

                // Clear `cropBox` is necessary when replace
                this.cropBox = null;
                this.unbind();

                this.resetPreview();
                this.$preview = null;

                this.$viewBox = null;
                this.$cropBox = null;
                this.$dragBox = null;
                this.$canvas = null;
                this.$container = null;

                this.$cropper.remove();
                this.$cropper = null;
            }

            /**
             * Change the default options.
             * @param {Object} options - The new default options.
             */

        }], [{
            key: 'setDefaults',
            value: function setDefaults(options) {
                $.extend(DEFAULTS, $.isPlainObject(options) && options);
            }
        }]);

        return Cropper;
    }();

    if ($.extend) {
        $.extend(Cropper.prototype, render, preview, events, handlers, change, methods);
    }

    if ($.fn) {
        var AnotherCropper = $.fn.cropper;

        $.fn.cropper = function jQueryCropper(option) {
            for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
                args[_key - 1] = arguments[_key];
            }

            var result = void 0;

            this.each(function (i, element) {
                var $element = $(element);
                var data = $element.data(NAMESPACE);

                if (!data) {
                    if (/destroy/.test(option)) {
                        return;
                    }

                    var options = $.extend({}, $element.data(), $.isPlainObject(option) && option);

                    data = new Cropper(element, options);
                    $element.data(NAMESPACE, data);
                }

                if (isString(option)) {
                    var fn = data[option];

                    if ($.isFunction(fn)) {
                        result = fn.apply(data, args);
                    }
                }
            });

            return isUndefined(result) ? this : result;
        };

        $.fn.cropper.Constructor = Cropper;
        $.fn.cropper.setDefaults = Cropper.setDefaults;
        $.fn.cropper.noConflict = function noConflict() {
            $.fn.cropper = AnotherCropper;
            return this;
        };
    }

})));
